//////////////////////////////////////////////////////////////////////////////////
//   Copyright 2011   Mark Price     mark at epickrram.com                      //
//                                                                              //
//   Licensed under the Apache License, Version 2.0 (the "License");            //
//   you may not use this file except in compliance with the License.           //
//   You may obtain a copy of the License at                                    //
//                                                                              //
//       http://www.apache.org/licenses/LICENSE-2.0                             //
//                                                                              //
//   Unless required by applicable law or agreed to in writing, software        //
//   distributed under the License is distributed on an "AS IS" BASIS,          //
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   //
//   See the License for the specific language governing permissions and        //
//   limitations under the License.                                             //
//////////////////////////////////////////////////////////////////////////////////


package com.epickrram.store.onheap;

import com.epickrram.store.ByteWriter;

final class CopyByteWriter implements ByteWriter
{
    private long length;
    private byte[] buffer = new byte[1024];

    @Override
    public void begin()
    {
        length = 0;
    }

    @Override
    public void commit()
    {
    }

    @Override
    public void write(final byte b, final long offset)
    {
        buffer[(int) offset] = b;
        length = offset + 1;
    }

    @Override
    public void write(final byte[] b, final long offset)
    {
        System.arraycopy(b, 0, buffer, (int) offset, b.length);
        length = offset + b.length;
    }

    long getLength()
    {
        return length;
    }

    byte[] getBuffer()
    {
        return buffer;
    }
}
